EP2035742A1 - Anordnung für einen zylindrischen tank zum transport von verflüssigten gasen bei niedriger temperatur in einem schiff - Google Patents

Anordnung für einen zylindrischen tank zum transport von verflüssigten gasen bei niedriger temperatur in einem schiff

Info

Publication number
EP2035742A1
EP2035742A1 EP07747666A EP07747666A EP2035742A1 EP 2035742 A1 EP2035742 A1 EP 2035742A1 EP 07747666 A EP07747666 A EP 07747666A EP 07747666 A EP07747666 A EP 07747666A EP 2035742 A1 EP2035742 A1 EP 2035742A1
Authority
EP
European Patent Office
Prior art keywords
tank
bulkheads
arrangement according
cargo
dome
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07747666A
Other languages
English (en)
French (fr)
Other versions
EP2035742B1 (de
EP2035742A4 (de
Inventor
Harald Aarseth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tanker Engineering AS
Original Assignee
Tanker Engineering AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tanker Engineering AS filed Critical Tanker Engineering AS
Priority to PL07747666T priority Critical patent/PL2035742T3/pl
Publication of EP2035742A1 publication Critical patent/EP2035742A1/de
Publication of EP2035742A4 publication Critical patent/EP2035742A4/de
Application granted granted Critical
Publication of EP2035742B1 publication Critical patent/EP2035742B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/08—Integral reinforcements, e.g. ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/035—Orientation with substantially horizontal main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/013—Reinforcing means in the vessel, e.g. columns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/014—Suspension means
    • F17C2203/015—Bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • F17C2203/0643—Stainless steels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0646—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0119—Vessel walls form part of another structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0379—Manholes or access openings for human beings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/016—Preventing slosh
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/017—Improving mechanical properties or manufacturing by calculation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships

Definitions

  • the present invention relates to design, construction and support of large, independent, horizontal and generally cylindrical tanks onboard ships, and for the transportation of liquefied gases at low temperatures.
  • the invention is also in principle applicable for so- called twin tanks consisting of two cylindrical tanks built together into one common tank.
  • Horizontal and independent cylindrical tanks have to a large extent been used for ships with relatively small total cargo capacity for transportation of liquefied gases at low temperatures, and the largest known and built ship with such cargo tanks has a total cargo capacity of about 30.000 m 3 .
  • independent cylindrical tanks have not been applied for the largest ships for liquefied gases, notwithstanding that with regard to design, fabrication and installation onboard ships, such cylindrical tanks should be preferable, for example as compared to spherical tanks.
  • a spherical tank has only degree of freedom (diameter), while a cylindrical tank has two degrees of freedom (diameter and length) which favours the arrangement and installation in a surrounding hull.
  • the number of cargo tanks is a significant parameter for the costs for building of ships for LNG. It may be worth mentioning that for the largest ships under contract and construction, it has been necessary to increase the number of cargo tanks from four to five (compared to membrane ships of somewhat smaller size), and the ships have become relatively more expensive to build.
  • a common weakness/disadvantage of LNG ships of the membrane and spherical tank types is the arrangement for pipes, electric cables and internal access between the top and bottom of cargo tanks.
  • the distance between top and bottom can be in the range of 40-45 metres, and a freestanding tower has to be provided inside each cargo tank for supporting and clamping of pipes and cables, as well as for ladders for access to the bottom of the tank.
  • a conceivable alternative for applying independent cylindrical tanks for the large and largest ships for transportation of liquefied gases could be an upscaling of existing constructions of applied cylindrical tanks for smaller types of liquefied gas carriers.
  • the independent cylindrical tanks are supported in two saddle constructions, such saddle constructions being integrated in surrounding hull constructions.
  • cargo tank either made of aluminium, stainless steel or low-temperature steel
  • the saddle construction of steel there is provided a thermal insulating material of sufficient strength to carry the weight of a full cargo tank.
  • the critical load points for such cylindrical tanks will be at the supports and at shell and internal reinforcements in way of the supports.
  • the internal reinforcements for the smaller type of ships/tanks consist normally of
  • Such kinds of reinforcements are sufficient for rather small and medium sized liquefied o gas carriers, and restrictions for filling level in such smaller cargo tanks is normally not necessary.
  • the present invention is providing technical solutions enabling application of large independt cylindrical tanks for transportation of liquefied gases, and especially liquefied natural gas (LNG). Furthermore, the present invention alleviates the above-mentioned major weaknesses/disadvantages of other design concepts.
  • An arrangement according to the invention is defined in claim 1 and a method according to the invention is defined in claim 12. Especially, the invention is providing good technical solutions for the following important ite
  • the present invention are providing constructions/reinforcements internally in tl: tanks at the supports enabling exact stress calculations in materials for cargo tanks and surrou ing hull structures at the prevailing load conditions.
  • the invention consists mainly of providing two perforated circular wash bulkheads beside on other internally in the cargo tank at each support.
  • the distance between the circular wash bul heads will normally be in the range of 1 - 4 metres.
  • a framework of girders/stiffeners will be provided and welded, and such that the two c cular perforated bulkheads will be connected to each other through a. framework.
  • the adjacen sections of external shell plates will subsequently be welded to the periphery of the circular pi forated bulkheads and to the radial girders between the bulkheads.
  • the two circular perforate ⁇ bulkheads, the between-lying framework and the external shell plates will accordingly constit a rigid wheel-like construction.
  • the two circular bulkheads in the construction will have many openings/perforations for quick balancing of differences in levels within the tank.
  • the two circular and perforated bulkheads together with intermediate framework and external shell will be a very strong construction.
  • the radial and global stiffness can be made almost infinite, and it will be almost impossible to have any global or local radial deformation of the tank at the prevailing external loads.
  • the space between the two circular and perforated bulkheads at each support can in an efficient manner be used for pipes, cables and access between top and bottom of the tank.
  • a dome for connection of pipes and cables and with an access hatch is arranged straight above the double bulkhead.
  • the cargo tanks have ambient temperature when installed and adapted to the saddle support constructions of the hull.
  • cargo e.g. LNG
  • the diameter of the tanks will shrink about 60 mm in diameter for a steel tank of 30 meter diameter.
  • the tank might partially deviate from the original contact surface to the saddle support, and the subsequent risk for the tank to become unstable in the transverse direction when the ship is rolling in the sea, cannot be neglected.
  • domes above the double wash bulkhead makes it possible to arrange internal stiffening plates in the dome, as well as to arrange external brackets at the domes in plane with the wash bulkheads.
  • This enables the structures of the domes, as connected to the circular wash bulkheads, to withstand all prevailing transverse force and to transfer the forces to the surrounding deck structures.
  • the transfer of transverse forces from the cargo tank via the dome to the surrounding deck structure is permitted by a system of a specially arranged insulating 'tween material between domes and deck structures.
  • the arrangement of the 'tween material is also taking care of required vertical and longitudinal movements due to temperature changes of the cargo tank. At the aft dome, the required possibility for vertical movement of cargo tank is arranged.
  • the re- quired possibility for vertical and longitudinal movements is arranged. If the ship is prone to sagging and hogging, also the aft dome may permit some longitudinal movement.
  • An additional advantage of the present design concept is the possibility for production of the cylindrical sections at the supports with built-in bulkheads/frameworks with exact roundness.
  • the circular and perforated bulkheads can be constructed and fully welded, and initially made with excess measurements. Upon final weldings, the bulkheads might be measured, marked and cut to the exact desired diameter, and exact circular roundness can be achieved and guaranteed.
  • the adjacent shell plates can be welded to the circular and perforated bulkheads and adjoining frameworks, and exact roundness is still maintained.
  • Another new proposed item is the application of pressure sensors along the periphery of saddle constructions between tank and hull. Pressure loads on saddles can be monitored continuously, and can also be compared with pre-calculated loads along the periphery of the support system.
  • Figs. IA and IB are a side view and plan view, respectively, of an LNG carrier embodying the present invention.
  • Figs. 2A and 2B are cross-sectional views along the line A-A in Fig. 1 illustrating two separate embodiments of the invention
  • Fig. 3 is a sectional view along the line B-B in Figs. 2A and 2B;
  • Fig. 4 shows at a larger scale Detail 3 from Fig. 3;
  • Figs. 5 A and 5B show at a larger scale Detail 1 from Fig. 1;
  • Figs. 6A and 6B show at a larger scale Detail 2 from Fig. 1.
  • Fig. IA and IB show a general arrangement plan for a LNG-carrier 1 of about 145.000 m 3 to1 cargo capacity, and with three 3 cylindrical cargo tanks.
  • Fig.2A and Fig.2B show a transverse section through the ship and through a cargo tank (see Fig. IA Section A-A), and the section is shown between the perforated bulkheads 3 at one of the supports for one cargo tank.
  • the figures show two alternative arrangements/solutions for frameworks between the circulaj perforated bulkheads.
  • the between-lying framework shown in Fig.2A consists of vertical 4 and horizontal 5 plate girders.
  • the between-lying framework shown in Fig.2B consists of concentric ring girders 6 and radial girders 7.
  • both figures/alternatives show that the cargo tanks are provided with external thermal insu- lation 11, saddle supports 12 and an insulating and a weight-bearing material between saddle support and cargo tank 13.
  • Fig. 3 show section B-B as indicated on Fig.2A and Fig.2B, and show the two perforated bulkheads 3 at a certain distance from each other. This distance is previously indicated to be in the range of 1-4 metres.
  • the figure shows as well the principle for locking the tank at the saddle support against movement in longitudinal direction at one of the supports. At the other support, the tank 2 is free to slide in longitudinal direction.
  • Fig. 3 also shows that vertical and horizontal girders (including concentric girders) are provided with openings 10 and 14 for free flow of liquid cargo, and for access to all spaces between the circular bulkheads.
  • Fig.4 shows Detail 3 as referred to on Fig.3, and shows arrangement for transfer of forces (mainly because of sloshing) in longitudinal direction from bulkheads 3 and radial plates 7 to the external shell plates 17.
  • bracket 15 Internally in the tank is shown bracket 15 at transition between bulkhead 3 and shell 17, and externally in same plane is shown bracket 16. Both these brackets is sniped and grounded towards zero at the termination towards shell. Furthermore, external brackets 18 are shown in the support zone, and in same radial plane as other brackets 15 and 16 and internal radial plate 7. Arrangement of last-mentioned bracket 18 is characterized by cutting of space for the bracket in the 'tween material 13 between tank and saddle support. For locking of the tank in longitudinal direction, flat bars 19 are arranged externally along the periphery in the support zone of the tank.
  • Corresponding flat bars 20 are arranged on the saddle support 12 for locking of the 'tween material 13 to the saddle support 12 and to the surrounding hull 1.
  • Fig. 5 A and Fig. 5B of Detail 1 as referred to on Fig. IA show the principle for locking the tank 2 in transverse and longitudinal directions at aft dome 23.
  • the concentric ring 21 are fixed to the hull l,and concentric ring 22 are fixed to the aft dome 23, and the surface between the concentric rings will act as sliding surface for vertical movements of the aft dome 23 due to changes in temperature of the tank 2.
  • Material quality for these concentric rings might be same as applied between cargo tank and saddle support.
  • the aft dome 23 and the tank 2 is locked for movements in transverse and longitudinal directions, and the dynamic forces on the cargo tank 2 when the ship is at sea, are transferred from the tank 2 via the aft dome 23 and concentric rings 21 and 22 to the hull 1.
  • the aft dome 23 is internally reinforced by vertical reinforcing plates 24, and horizontal reinforcing plates 25.
  • the vertical reinforcing plates 24 are assumed to be arranged in same plane as the two circular wash bulkheads 3, and in same plane is as well arranged brackets 26 between aft dome 23 and shell plates 17 of the tank for reducing stress concentrations at the transfer of forces.
  • Fig. 5B shows mainly Section C - C as indicated in Fig. 5A.
  • Fig. 6 A and Fig. 6B of Detail 2 as referred to on Fig. IA show the principle at forward dome 29 for locking the tank 2 in transverse direction, and at the same time to secure free movement of forward dome 29 and the tank 2 in vertical and longitudinal directions due to temperature changes.
  • the intermediate elements 27 and 28 are arranged between forward dome and the surrounding hull 1.
  • the inner element 27 is fixed to the dome, and the outer elements 28 (two separate pieces) are fixed to the hull 1, and the joint surfaces of the inner element 27 and the outer elements 28 are acting as sliding surfaces for vertical and longitudinal movements of the forward dome 29 due to changes in temperature of the tank 2.
  • Material quality for these intermediate elements might be same as applied between cargo tank and saddle support.
  • the forward dome 29 and the tank 2 is locked for move- o ments in transverse direction, and the dynamic transverse forces on the cargo tank 2 are transferred from the tank 2 via the forward dome 29 and intermediate elements 27 and 28 to the hi 1.
  • the forward dome 29 is internally reinforced t vertical reinforcing plates 30, and horizontal reinforcing plates 31.
  • the vertical reinforcing plates 30 are assumed to be arranged in same plane as the two circul ⁇ s wash bulkheads 3,
  • brackets 32 between forward dome 29 and shell plates 17 of the tank for reducing stress concentrations at the transfer of forces.
  • Fig. 6B shows mainly Section D - D as indicated in Fig. 6A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Surgical Instruments (AREA)
EP07747666A 2006-06-19 2007-06-19 Anordnung für einen zylindrischen tank zum transport von verflüssigten gasen bei niedriger temperatur in einem schiff Not-in-force EP2035742B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07747666T PL2035742T3 (pl) 2006-06-19 2007-06-19 Układ dla zbiornika cylindrycznego do transportu gazów skroplonych w niskiej temperaturze na statku

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20062869A NO327766B1 (no) 2006-06-19 2006-06-19 Sylindrisk tank og fremgangsmate for fremstilling av denne
PCT/NO2007/000216 WO2007148982A1 (en) 2006-06-19 2007-06-19 An arrangement for a cylindrical tank for transportation of liquefied gases at low temperature in a ship

Publications (3)

Publication Number Publication Date
EP2035742A1 true EP2035742A1 (de) 2009-03-18
EP2035742A4 EP2035742A4 (de) 2010-01-06
EP2035742B1 EP2035742B1 (de) 2011-02-16

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EP07747666A Not-in-force EP2035742B1 (de) 2006-06-19 2007-06-19 Anordnung für einen zylindrischen tank zum transport von verflüssigten gasen bei niedriger temperatur in einem schiff

Country Status (13)

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EP (1) EP2035742B1 (de)
JP (1) JP5269778B2 (de)
KR (1) KR101257141B1 (de)
CN (1) CN101473163B (de)
AT (1) ATE498800T1 (de)
DE (1) DE602007012544D1 (de)
DK (1) DK2035742T3 (de)
ES (1) ES2360736T3 (de)
MY (1) MY154944A (de)
NO (1) NO327766B1 (de)
PL (1) PL2035742T3 (de)
RU (1) RU2431076C2 (de)
WO (1) WO2007148982A1 (de)

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EP3090963A4 (de) * 2013-12-24 2017-03-15 Posco Flüssigkeitstank

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US11098850B2 (en) 2006-10-26 2021-08-24 Altair Engineering, Inc. Storage tank containment system
US10352500B2 (en) 2006-10-26 2019-07-16 Altair Engineering, Inc. Storage tank containment system
JP5646913B2 (ja) * 2010-08-24 2014-12-24 ジャパンマリンユナイテッド株式会社 カーゴタンクの支持構造及び浮体構造物
KR200482015Y1 (ko) * 2011-08-09 2016-12-07 대우조선해양 주식회사 선박용 탱크의 레벨스위치 보호덮개
KR102052306B1 (ko) * 2011-11-21 2019-12-04 알테어 엔지니어링, 인크. 저장 탱크 봉쇄 시스템
WO2013083172A1 (en) * 2011-12-05 2013-06-13 Blue Wave Co S.A. Method of fabricating a pressure vessel using a variable viscosity solventless prepolymer formulation
CN102815375A (zh) * 2012-08-26 2012-12-12 中国葛洲坝集团机械船舶有限公司 一种液化氧气运输船
DE102013002576B4 (de) * 2013-02-12 2019-10-17 Arianegroup Gmbh Behälter zum Transport von Flüssigkeiten
FR3006661B1 (fr) * 2013-06-07 2018-02-02 Gaztransport Et Technigaz Procede de fabrication d'une caisse autoporteuse pour l'isolation thermique d'une cuve de stockage d'un fluide et caisse autoporteuse ainsi realisee
US10189578B2 (en) * 2013-06-12 2019-01-29 The Boeing Company Self-balancing pressure bulkhead
CN103448874A (zh) * 2013-09-21 2013-12-18 中海工业(江苏)有限公司 具有自平衡的用于运输液化石油气的罐装船舶
SG11201702837QA (en) * 2014-10-08 2017-05-30 Sbm Schiedam Bv Lng carrier vessel, and method for manufacturing such an lng carrier vessel
CN105570682B (zh) * 2014-11-07 2019-10-18 中集船舶海洋工程设计研究院有限公司 液货罐及lng船
CN106275282A (zh) * 2015-05-18 2017-01-04 江南造船(集团)有限责任公司 液化气船甲板上的c型液罐支承结构
CN104908891A (zh) * 2015-06-17 2015-09-16 大连理工大学 一种c型lng液舱的制荡装置
CN106143806B (zh) * 2016-08-29 2018-05-22 上海斯达瑞船舶海洋工程服务有限公司 一种船用独立液罐的支撑装置
WO2019046512A1 (en) 2017-08-31 2019-03-07 Altair Engineering, Inc. STORAGE TANK CONFINEMENT SYSTEM
JP7071168B2 (ja) * 2018-03-07 2022-05-18 川崎重工業株式会社 液化ガスタンク
CN110877699B (zh) * 2019-11-19 2021-09-21 沪东中华造船(集团)有限公司 一种用于lng船液货舱船体反面加强筋焊接的方法
WO2023079644A1 (ja) 2021-11-04 2023-05-11 三菱造船株式会社 タンク、船舶
CN114104223B (zh) * 2021-12-08 2022-12-20 江南造船(集团)有限责任公司 一种结构鞍座安装精度控制方法及液罐吊装精度控制方法

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US3499410A (en) * 1964-08-03 1970-03-10 Mcmullen Ass John J Stabilization system for liquid cargo ships
US3319431A (en) * 1966-05-25 1967-05-16 Exxon Research Engineering Co Double walled cryogenic tank
US3863408A (en) * 1972-09-27 1975-02-04 Preload Technology Prestressed concrete tanks for liquid natural gas tankers
US3979005A (en) * 1974-05-13 1976-09-07 The Boeing Company Cryogenic tank and aircraft structural interface
GB2032506A (en) * 1978-10-20 1980-05-08 Kvaerner Brug Kjoleavdelning Tank
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Publication number Priority date Publication date Assignee Title
EP3090963A4 (de) * 2013-12-24 2017-03-15 Posco Flüssigkeitstank
US10145508B2 (en) 2013-12-24 2018-12-04 Posco Fluid storage tank with plurality of partition plates

Also Published As

Publication number Publication date
MY154944A (en) 2015-08-28
PL2035742T3 (pl) 2011-07-29
ES2360736T3 (es) 2011-06-08
EP2035742B1 (de) 2011-02-16
RU2009100410A (ru) 2010-07-27
NO20062869L (no) 2007-12-20
KR20090032087A (ko) 2009-03-31
ATE498800T1 (de) 2011-03-15
JP5269778B2 (ja) 2013-08-21
KR101257141B1 (ko) 2013-04-22
EP2035742A4 (de) 2010-01-06
RU2431076C2 (ru) 2011-10-10
DK2035742T3 (da) 2011-04-18
WO2007148982A1 (en) 2007-12-27
JP2009541118A (ja) 2009-11-26
CN101473163B (zh) 2011-02-09
CN101473163A (zh) 2009-07-01
DE602007012544D1 (de) 2011-03-31
NO327766B1 (no) 2009-09-21

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